Uploaded June 2011 | Updated September 2026, 2 hours ago
Few faster variations. I think the first route is fastest. In the second route I found out that you don't actually have to cube jump if you hold crouch and strafe yourself to the left towards the portal.
Few faster variations. I think the first route is fastest. In the second route I found out that you don't actually have to cube jump if you hold crouch and strafe yourself to the left towards the portal.










![Portal 2 - sp_a2_laser_over_goo [not sure if possible...]
This looks like it could save a few seconds as you dont have to wait for the platform to arrive.. Too hard though Portal 2 - sp_a2_laser_over_goo [not sure if possible...]](https://i.ytimg.com/vi/n4LicajIsWM/mqdefault.jpg)